268767478 has 16 divisors (see below), whose sum is σ = 461089440. Its totient is φ = 115099776.

The previous prime is 268767469. The next prime is 268767497. The reversal of 268767478 is 874767862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400 + ... + 27292.

It is an arithmetic number, because the mean of its divisors is an integer number (28818090).

Almost surely, 2^268767478 is an apocalyptic number.

268767478 is a deficient number, since it is larger than the sum of its proper divisors (192321962).

268767478 is a wasteful number, since it uses less digits than its factorization.

268767478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391.

The product of its digits is 6322176, while the sum is 55.

The square root of 268767478 is about 16394.1293760907. The cubic root of 268767478 is about 645.3454296188.

The spelling of 268767478 in words is "two hundred sixty-eight million, seven hundred sixty-seven thousand, four hundred seventy-eight".